A comparative study of modified strain gradient theory and modified couple stress theory for gold microbeams
Sign Up to like & getrecommendations! Published in 2018 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-018-1436-0
Abstract: Microbeams are common structures encountered in micro- and nano-electromechanical systems. Their mechanical response cannot be modelled by local theories of continuum mechanics due to size effect, which becomes more pronounced as the structural length scale… read more here.
Keywords: strain gradient; modified strain; gradient theory; gold microbeams ... See more keywords
Frequency analysis of nanoporous mass sensors based on a vibrating heterogeneous nanoplate and nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-017-3531-5
Abstract: A new modeling of nano-mechanical mass sensors constructed from porous nanomaterials is presented based on generalized nonlocal strain gradient theory (NSGT). In this model, true small size effects including softening and hardening mechanisms are considered… read more here.
Keywords: strain gradient; mass sensors; gradient theory; mass ... See more keywords
Analysis of functionally graded nanodisks under thermoelastic loading based on the strain gradient theory
Sign Up to like & getrecommendations! Published in 2017 at "Acta Mechanica"
DOI: 10.1007/s00707-017-1939-8
Abstract: In this paper, the thermoelastic behavior of a functionally graded nanodisk is studied based on the strain gradient theory. It is assumed that the nanodisk thickness is constant, and a power-law model is adopted to… read more here.
Keywords: strain gradient; gradient theory; functionally graded; loading ... See more keywords
Vibration and deflection analysis of thin cracked and submerged orthotropic plate under thermal environment using strain gradient theory
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-04872-3
Abstract: Based on a non-classical plate theory, a nonlinear analytical model is proposed to analyze transverse vibration of thin partially cracked and submerged orthotropic plate in the presence of thermal environment. The governing equation for the… read more here.
Keywords: theory; thermal environment; gradient theory; length ... See more keywords
A new meshfree method for modeling strain gradient microbeams
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1305-3
Abstract: The incapability of classical elasticity theory of accurately modeling the deformation behavior of structures at micro- and nanoscales has necessitated the development of more advanced theories. The strain gradient theory, being one of such theories,… read more here.
Keywords: strain gradient; gradient theory; method; meshfree method ... See more keywords
Interfacial behavior prediction of alcohol + glycerol mixtures using gradient theory
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2020.110747
Abstract: Abstract This work has been dedicated to modeling the interfacial tension and interfacial density profiles of alcohol + glycerol mixtures in the temperature range of 293.2 K–333.2 K. The Peng-Robinson equation of state and quadratic mixing rule is applied… read more here.
Keywords: glycerol mixtures; alcohol glycerol; interfacial behavior; gradient theory ... See more keywords
New observations on transverse dynamics of microtubules based on nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2019 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.111036
Abstract: Abstract Based on nonlocal strain gradient theory, we present dynamical behaviors of a microtubule subjected to axial load, thermal load and variable transverse load simultaneously. The existing nonlocal strain gradient constitutive relation is adjusted from… read more here.
Keywords: nonlocal strain; strain gradient; strain; gradient theory ... See more keywords
Modelling of planar and spherical phase interfaces for multicomponent systems using density gradient theory
Sign Up to like & getrecommendations! Published in 2019 at "Fluid Phase Equilibria"
DOI: 10.1016/j.fluid.2018.10.014
Abstract: Abstract This study presents mathematical modelling of the properties of vapour-liquid phase interfaces for multi-component mixtures. The developed model can be applied both on a standard case of a planar phase interface and on a… read more here.
Keywords: phase interfaces; density; gradient theory; phase ... See more keywords
Overall properties of particulate composites with periodic microstructure in second strain gradient theory of elasticity
Sign Up to like & getrecommendations! Published in 2017 at "Mechanics of Materials"
DOI: 10.1016/j.mechmat.2017.07.013
Abstract: Abstract In the context of Mindlin’s second strain gradient theory, a homogenization scheme for the determination of the effective overall properties of particulate composites with periodic microstructure is developed in this paper. This homogenization method… read more here.
Keywords: second strain; strain gradient; gradient theory;
A nonlocal strain gradient theory for dynamic modeling of a rotary thermo piezo electrically actuated nano FG circular plate
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2018.05.043
Abstract: Abstract In this paper, vibrational behavior of functionally graded piezoelectric material (FGPM) in a nano circular plate subjected to rotational and thermal loads is studied. Thermo-electro–elastic characteristics of FGPM nano circular plate are changed continuously… read more here.
Keywords: nano circular; strain gradient; circular plate; gradient theory ... See more keywords
A nonlinear thick plate formulation based on the modified strain gradient theory
Sign Up to like & getrecommendations! Published in 2018 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2017.1308588
Abstract: ABSTRACT A geometric nonlinear first-order shear deformation theory-based formulation is presented to analyze microplates. The formulations derived herein are based on a modified strain gradient theory and the von Karman nonlinear strains. The modified strain… read more here.
Keywords: strain gradient; modified strain; gradient theory; theory ... See more keywords